refactor(ratio): replace maps with RWMap for improved concurrency handling

types/rw_map.go

@@ -80,3 +80,24 @@ func LoadFromJsonString[K comparable, V any](m *RWMap[K, V], jsonStr string) err
 	m.data = make(map[K]V)
 	return common.Unmarshal([]byte(jsonStr), &m.data)
 }
+
+// LoadFromJsonStringWithCallback loads a JSON string into the RWMap and calls the callback on success.
+func LoadFromJsonStringWithCallback[K comparable, V any](m *RWMap[K, V], jsonStr string, onSuccess func()) error {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+	m.data = make(map[K]V)
+	err := common.Unmarshal([]byte(jsonStr), &m.data)
+	if err == nil && onSuccess != nil {
+		onSuccess()
+	}
+	return err
+}
+
+// MarshalJSONString returns the JSON string representation of the RWMap.
+func (m *RWMap[K, V]) MarshalJSONString() string {
+	bytes, err := m.MarshalJSON()
+	if err != nil {
+		return "{}"
+	}
+	return string(bytes)
+}